CN103031052B - A kind of high anti-vibration wear-resisting UV photocuring finish paint and preparation method thereof - Google Patents
A kind of high anti-vibration wear-resisting UV photocuring finish paint and preparation method thereof Download PDFInfo
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Abstract
The invention belongs to chemical field, specifically disclose a kind of high anti-vibration wear-resisting UV photocuring finish paint and preparation method thereof, the weight percentage of UV photocuring finish paint is: six functionality urethane acrylate 20%-50%, four functionality urethane acrylate 20%-30%, three-functionality-degree urethane acrylate 10%-20%, organic inorganic hybridization urethane acrylate 2%-8%, single functionality reactive thinner 0-10%, polyfunctionality reactive thinner 0-10%, dispersion agent 0-0.5%, flow agent 0-1%, flatting silica 0-10%, wax slurry 0-10%, light trigger 3%-6%, performance modification agent 1%-5%, mixed solvent 5%-45%, above each component sum is 100%.Coating property of the present invention is good, reliability is high, and especially comparatively outstanding in vibration is wear-resisting, can reach 3 hours, even the anti-vibration of longer time is wear-resisting.<!--1-->
Description
Technical field
The present invention relates to chemistry painting industry field, the vacuum plating UV photocuring finish paint that especially a kind of high anti-vibration is wear-resisting and preparation method.
Background technology
Photocuring finish paint mainly refers to a class new coating of rapid crosslinking curing film forming under UV-irradiation, because of its efficient coated solidified and environmental friendliness feature, by world's coating industry and most administrations are approved.Since the sixties in 20th century successful commercialization, photocuring finish paint is constantly ripe, innovation technically, and variety of raw material constantly develops, and is widely used in the multiple base materials such as woodenware, paper, plastics, metal, pottery.And just towards functionalization future development, the widespread use etc. such as on optical fiber coating and technique for vacuum coating.Vacuum coating technology is begun to show the thirties in 20th century, four the fifties start to occur industrial application, industrialization scale operation starts from the eighties in 20th century, it refers under the environment of vacuum, certain metal or metallic compound are deposited to material surface with the form of gas phase, belongs to physical gas-phase deposition (PVD).In plated material, the most common with plastics, metalluster and the mirror effect of plastics height can be given, but the coatings that the metal of part LMP is formed oxidizable, easily scratch, wearing quality is not enough.If vacuum is UV coating on external coating, greatly can strengthen the wear resistance on surface, resistance to marring and other various materialization protective values, and colourful color can be given, ornamental very strong.Therefore vacuum coating technology and painting be contained in communication, electronic product enclosure application widely, specific to for hand set machine shell, the performance requriements of its top coat has applicable hardness, toughness, sticking power, wear-resisting, resistance to marring, resistance to hand perspiration, resistance to makeup, wet-heat resisting, high-low temperature resistant impact etc. test.The common UV coating shrinkability used because of 3C electronic product is high, and stress is large, hard tough imbalance, unreasonable structure and after certain hour, film may be caused to come off, easily split, vibrate the drawbacks such as wear resistance deficiency.May give the outward appearance of product, wearing quality, persistence brings great quality problems.
Summary of the invention
For above-mentioned technical problem, technical problem solved by the invention is to provide a kind of high anti-vibration wear-resisting UV photocuring finish paint and preparation method thereof.
For solving the problems of the technologies described above, technical scheme provided by the present invention is: a kind of high anti-vibration wear-resisting UV photocuring finish paint, its weight percentage is: six functionality urethane acrylate 20%-50%, four functionality urethane acrylate 20%-30%, three-functionality-degree urethane acrylate 10%-20%, organic inorganic hybridization urethane acrylate 2%-8%, single functionality reactive thinner 0-10%, polyfunctionality reactive thinner 0-10%, dispersion agent 0-0.5%, flow agent 0-1%, flatting silica 0-10%, wax slurry 0-10%, light trigger 3%-6%, performance modification agent 1%-5%, mixed solvent 5%-45%, above each component sum is 100%.
Further: in above-mentioned high anti-vibration wear-resisting UV photocuring finish paint, described six functionality urethane acrylate viscosity are 50000-70000cps25 DEG C (representing that the viscosity of testing under 25 degrees Celsius is 50000-70000cps), the UV-7605B of such as Japan's synthesis; CN9010, CN8000 of Sartomer; The U400 etc. of Bayer.Described four functionality urethane acrylate viscosity are 7000-8000cps25 DEG C, 3400, the 4668A etc. of ComeOn brightness of such as Dongguan sky brightness.Described three-functionality-degree urethane acrylate viscosity is 50000-70000cps25 DEG C, 6071 of such as Changxing; The CN989 of Sartomer; The B175X etc. of Bayer.Described organic inorganic hybridization urethane acrylate selects the 601C-35 in Changxing.The described SR399 single functionality reactive thinner of polyfunctionality reactive thinner Sartomer or the SR444 of Sartomer, their purity is higher, and pungency is as far as possible little.Described dispersion agent right and wrong from the one in modified fat acid, such as commercially available BYK-163 dispersion agent.Described levelling property is at least one in organic silicon modified by polyether, acrylate flow agent, such as commercially available BYK-333.For improving the sticking power of coating, water tolerance, humidity resistance, the performance such as wear-resisting, adds silane coupling agent KH-560 in we.Described flatting silica silicon-dioxide is the E-1011 as eastern groove.Described cured slurry is as the emerging Ployethylene Wax slurry PE-14 foreignized.Described mixed solvent is vinyl acetic monomer, N-BUTYL ACETATE and Virahol by weight the mixture for 5:4:1, and the error of this ratio can ± 5%, the water content of certainly selected solvent is all less than ten thousand/.
Present invention also offers the method for above-mentioned high anti-vibration wear-resisting UV photocuring finish paint, comprise the following steps: A: dropped into by the light trigger of 1/2 in the mixed solvent of 1/6 ~ 1/4, rotating speed is 500-800 rev/min, stir 5-10 minute, light trigger is dissolved completely, for subsequent use after filtering; B: resin and reactive thinner add in reactor, rotating speed is 800-1000 rev/min, disperses 20-30 minute obtained resin mixture liquor; C: in stirring at low speed situation, the mixture that dispersion agent, flow agent, performance modification agent and steps A is obtained adds in reactor, is stirred to evenly; D: in stirring at low speed situation, adds cured slurry and flatting silica in the reactor again, and rotating speed is 1000-1200 rev/min, dispersion 15-20 minute; E: in stirring at low speed situation, add residue light trigger and mixed solvent in the reactor again, rotating speed is 1000-1200 rev/min, dispersion 10-15 minute.
Compared with prior art, high anti-vibration of the present invention wear-resisting UV photocuring finish paint, its weight percentage is: six functionality urethane acrylate 20-50%, four functionality urethane acrylate 20-30%, three-functionality-degree urethane acrylate 10-20%, organic inorganic hybridization urethane acrylate 2-8%, single functionality reactive thinner 0-10%, polyfunctionality reactive thinner 0-10%, dispersion agent 0-0.5%, flow agent 0-1%, flatting silica 0-10%, wax slurry 0-10%, light trigger 3-6%, performance modification agent 1-5%, mixed solvent 5-45%, above each component sum is 100%.The present invention solves Vacuum Deposition UV finish paint while possessing general reliability testing, meets the wear-resisting wear resistance of vibration and weather resistance: one is the PUA resin selecting to have high functionality, high speed of reaction, hardness, wear resistance and materialization are provided, to note choosing the outstanding resin of toughness simultaneously, prevent film excessively crisp; Two is that the PUA resin of low functionality in choosing provides better tack, the moisture dispersibility of pigment, levelling property, balanced rigidity; Three is the application properties selecting suitable auxiliary agent to improve film, and water tolerance, wear resistance, to meet coating performance requirement.So coating property of the present invention is good, reliability is high, especially comparatively outstanding in vibration is wear-resisting, can 3 hours be reached, even the Shockproof abrasion resistant of longer time.
Embodiment
In order to better the present invention is described, below in conjunction with examples of implementation, content of the present invention is further elaborated.
Embodiment 1
A kind of high anti-vibration wear-resisting UV photocuring finish paint, poly-two vinylidene plate PVD use, and it is by weight percentage:
The preparation process of above-mentioned finish paint is:
A: light trigger is dropped into appropriate mixed solvent, rotating speed is 500-800 rev/min, stirs 5-10 minute, is dissolved completely by light trigger, for subsequent use after filtering.
B: resin and reactive thinner add in reactor, rotating speed is 800-1000 rev/min, disperses 20-30 minute obtained resin mixture liquor.
C: in stirring at low speed situation, auxiliary agent is added reactor, is stirred to evenly.
D: in stirring at low speed situation, then add cured slurry and flatting silica, rotating speed is 1000-1200 rev/min, dispersion 15-20 minute.
E: in stirring at low speed situation, adds light trigger and mixed solvent, and rotating speed is 500-800 rev/min, dispersion 10-15 minute.
F: weighed on request by above paint vehicle, filters, packaging.
Obtained coating is produced film, build 18-22 micron, gloss is 6% (60 degree of input angles). hardness is more than or equal to 2H, and meet the mobile phone part testing standard of most of reputable brand, testing standard is as shown in table 1.
Embodiment 2
A kind of high anti-vibration wear-resisting UV photocuring finish paint, poly-two vinylidene plate PVD use, and it is by weight percentage:
The preparation process of above-mentioned finish paint is:
A: light trigger is dropped into appropriate mixed solvent, rotating speed is 500-800 rev/min, stirs 5-10 minute, is dissolved completely by light trigger, for subsequent use after filtering.
B: resin and reactive thinner add in reactor, rotating speed is 800-1000 rev/min, disperses 20-30 minute obtained resin mixture liquor.
C: in stirring at low speed situation, levelling property is added reactor, is stirred to evenly.
D: in stirring at low speed situation, add light trigger and performance upgrading mixed solvent, rotating speed is 500-800 rev/min, dispersion 10-15 minute.
F: will weigh on request with japanning liquid, filters, packaging.
Obtained coating is produced film, build 18-22 micron, gloss is 99% (60 degree of input angles). hardness is more than or equal to 2H, and meet the mobile phone part testing standard of most of reputable brand, testing standard is as shown in table 1.
Embodiment 3
A kind of high anti-vibration wear-resisting UV photocuring finish paint, poly-two vinylidene plate PVD use, and it is by weight percentage:
The preparation process of above-mentioned finish paint is:
A: light trigger is dropped into appropriate mixed solvent, rotating speed is 500-800 rev/min, stirs 5-10 minute, is dissolved completely by light trigger, for subsequent use after filtering.
B: resin and reactive thinner add in reactor, rotating speed is 800-1000 rev/min, disperses 20-30 minute obtained resin mixture liquor.
C: in stirring at low speed situation, levelling property is added reactor, is stirred to evenly.
D: in stirring at low speed situation, add light trigger and performance upgrading mixed solvent, rotating speed is 500-800 rev/min, dispersion 10-15 minute.
F: will weigh on request with japanning liquid, filters, packaging.
Obtained coating is produced film, build 18-22 micron, gloss is 96% (60 degree of input angles). hardness is more than or equal to 2H, and meet the mobile phone part testing standard of most of reputable brand, testing standard is as shown in table 1.
Embodiment 4
A kind of high anti-vibration wear-resisting UV photocuring finish paint, poly-two vinylidene plate PVD use, and it is by weight percentage:
The preparation process of above-mentioned finish paint is:
A: light trigger is dropped into appropriate mixed solvent, rotating speed is 500-800 rev/min, stirs 5-10 minute, is dissolved completely by light trigger, for subsequent use after filtering.
B: resin and reactive thinner add in reactor, rotating speed is 800-1000 rev/min, disperses 20-30 minute obtained resin mixture liquor.
C: in stirring at low speed situation, levelling property is added reactor, is stirred to evenly.
D: in stirring at low speed situation, add light trigger and performance upgrading mixed solvent, rotating speed is 500-800 rev/min, dispersion 10-15 minute.
F: will weigh on request with japanning liquid, filters, packaging.
Obtained coating is produced film, build 18-22 micron, gloss is 98% (60 degree of input angles). hardness is more than or equal to 2H, and meet the mobile phone part testing standard of most of reputable brand, testing standard is as shown in table 1.
Above embodiment 1UV finish paint (dumb light) and the high light UV finish paint (Gao Guang) of embodiment 2,3,4 are arranged in pairs or groups, and can obtain the film of required various luster
Be accompanied by the accessible reliability testing project of film and requirement:
1, sticking power test is more than or equal to 4B
2, the wear-resisting test of RCA is more than or equal to 350 circles
3, hardness test is more than or equal to 2H
4, fight against press-ganging ketone tests nondiscoloration in 2 minutes
5, fixed temperature and humidity test 48H is more than or equal to 4B without obvious appearance change
6, environmental testing 5 circulation outward appearances are more than or equal to 4B without considerable change
7, the 48H of resistance to sunscreen is more than or equal to 4B without obvious appearance change
8, SaltSprayTest 48H is more than or equal to 4B without obvious appearance change
9, resistance to hand perspiration test 48H is without obvious appearance change, and sticking power is more than or equal to 4B
10, poach is tested in 100 DEG C and is boiled 30 minutes without obvious appearance change, and sticking power is more than or equal to 4B
11, dynamic wear-resisting test 2H is without continuous breakage
Above embodiment 1UV finish paint (dumb light) and the high light UV finish paint (Gao Guang) of embodiment 2,3,4 are arranged in pairs or groups, and can obtain the film of required various luster.
Table 1 testing standard
Above film meets European Union RHOS environmental testing criteria.
Claims (6)
1. a high anti-vibration wear-resisting UV photocuring finish paint, its weight percentage is: six functionality urethane acrylate 20%-50%, four functionality urethane acrylate 20%-30%, three-functionality-degree urethane acrylate 10%-20%, organic inorganic hybridization urethane acrylate 2%-8%, single functionality reactive thinner 3%, polyfunctionality reactive thinner 0-10%, dispersion agent 0-0.5%, flow agent 0-1%, flatting silica 0-10%, wax slurry 5%, light trigger 3%-6%, performance modification agent 1%-5%, mixed solvent 5%-45%, above each component sum is 100%, described mixed solvent is that vinyl acetic monomer, N-BUTYL ACETATE and Virahol are by weight the mixture for 5:4:1,
Described levelling property is at least one in organic silicon modified by polyether, acrylate flow agent; Described flatting silica is silicon-dioxide; Described wax slurry is polyethylene or polytetrafluoroethylmodified modified wax slurry; Described performance modification agent is silane coupling agent; Described light trigger is at least one in hydroxyketone and acylphosphine oxide class.
2. high anti-vibration according to claim 1 wear-resisting UV photocuring finish paint, is characterized in that: the viscosity of described six functionality urethane acrylates is 50000-70000cps25 DEG C.
3. high anti-vibration according to claim 2 wear-resisting UV photocuring finish paint, is characterized in that: the viscosity of four described functionality urethane acrylates is 7000-8000cps25 DEG C.
4. high anti-vibration according to claim 3 wear-resisting UV photocuring finish paint, is characterized in that: the viscosity of described three-functionality-degree urethane acrylate is 1000-2500cps25 DEG C.
5. high anti-vibration according to claim 4 wear-resisting UV photocuring finish paint, is characterized in that: the viscosity of described organic inorganic hybridization urethane acrylate is 7000-8000cps25 DEG C.
6. prepare a method for the high anti-vibration wear-resisting UV photocuring finish paint in claim 1-5 described in any one, comprise the following steps:
A: dropped into by the light trigger of 1/2 in the mixed solvent of 1/6 ~ 1/4, rotating speed is 500-800 rev/min, stirs 5-10 minute, is dissolved completely by light trigger, for subsequent use after filtering;
B: resin and reactive thinner add in reactor, rotating speed is 800-1000 rev/min, disperses 20-30 minute obtained resin mixture liquor;
C: in stirring at low speed situation, the mixture that dispersion agent, flow agent, performance modification agent and steps A is obtained adds in reactor, is stirred to evenly;
D: in stirring at low speed situation, add wax slurry and flatting silica in the reactor again, rotating speed is 1000-1200 rev/min, dispersion 15-20 minute;
E: in stirring at low speed situation, add residue light trigger and mixed solvent in the reactor again, rotating speed is 1000-1200 rev/min, dispersion 10-15 minute.
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| CN103213416B (en) * | 2013-04-17 | 2015-07-15 | 东莞捷荣技术股份有限公司 | Gold stamping method for improving mirror surface effect, ultraviolet (UV) intermediate coat and UV finishing coat |
| CN103756539A (en) * | 2013-12-30 | 2014-04-30 | 苏州市邦成电子科技有限公司 | Wear-resistant paint for rubber |
| CN104152031B (en) * | 2014-07-30 | 2016-06-22 | 无锡卡秀堡辉涂料有限公司 | A kind of Ultraviolet light cured ceramic paint |
| CN104910800A (en) * | 2015-06-25 | 2015-09-16 | 黎司华 | Wear-resisting light-curing UV paint |
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